3. A horizontal bar 10m long and of negligible weight rests on rough inclined as shown in figure. If the angle of friction is 15°, how far from A may the 200 kN force be applied before motion impends? 100 kN 200 kN. 2m B 30° 10m 60°

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3. A horizontal bar 10m long and of negligible weight rests on rough
inclined as shown in figure. If the angle of friction is 15°, how far from A
may the 200 kN force be applied before motion impends?
100 kN.
200 kN.
2m
B.
30°
10m
60°
Transcribed Image Text:3. A horizontal bar 10m long and of negligible weight rests on rough inclined as shown in figure. If the angle of friction is 15°, how far from A may the 200 kN force be applied before motion impends? 100 kN. 200 kN. 2m B. 30° 10m 60°
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